Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Whenever a creature you control with the chosen name attacks, you may pay {W}. If you do, that creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

(Start the game with this conspiracy face up in the command zone.)

Your minimum deck size is reduced by five.

Remove Amulet of Quoz from your deck before playing if you're not playing for ante.

{T}, Sacrifice Amulet of Quoz: Target opponent may ante the top card of their library. If they don't, you flip a coin. If you win the flip, that player loses the game. If you lose the flip, you lose the game. Activate only during your upkeep.

Target player draws three cards.

({S} can be paid with one mana from a snow source.)

When Arcum's Astrolabe enters the battlefield, draw a card.

{1}, {T}: Add one mana of any color.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Creatures you control with the chosen name have "When this creature dies, you may pay {B}. If you do, create a tapped 2/2 black Zombie creature token."

(Start the game with this conspiracy face up in the command zone.)

Draw an additional hand of seven cards as the game begins. Before taking mulligans, shuffle all but one of your hands into your library.

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.

{T}: Draw two cards, then discard three cards.

{T}, Sacrifice Black Lotus: Add three mana of any one color.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Spells with the chosen name you cast cost {1} less to cast.

Remove Bronze Tablet from your deck before playing if you're not playing for ante.

Bronze Tablet enters the battlefield tapped.

{4}, {T}: Exile Bronze Tablet and target nontoken permanent an opponent owns. That player may pay 10 life. If they do, put Bronze Tablet into its owner's graveyard. Otherwise, that player owns Bronze Tablet and you own the other exiled card.

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.

{4}, {T}: Tear Chaos Confetti into pieces. Throw the pieces onto the battlefield from a distance of at least five feet. Destroy each permanent that a piece touches. Remove the pieces from the game.

Remove Contract from Below from your deck before playing if you're not playing for ante.

Discard your hand, ante the top card of your library, then draw seven cards.

Remove Darkpact from your deck before playing if you're not playing for ante.

You own target card in the ante. Exchange that card with the top card of your library.

{T}: Exile target land card from a graveyard. Add one mana of any color.

{B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.

{G}, {T}: Exile target creature card from a graveyard. You gain 2 life.

Remove Demonic Attorney from your deck before playing if you're not playing for ante.

Each player antes the top card of their library.

Choose a card name. Exile the top six cards of your library, then reveal cards from the top of your library until you reveal a card with the chosen name. Put that card into your hand and exile all other cards revealed this way.

Search your library for a card, put that card into your hand, then shuffle.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Whenever you cast an instant or sorcery spell with the chosen name, you may copy it. You may choose new targets for the copy.

Trample

Whenever Dreadhorde Arcanist attacks, you may cast target instant or sorcery card with mana value less than or equal to Dreadhorde Arcanist's power from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.

Tap an untapped creature you control: Untap target basic land.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Whenever you cast an instant or sorcery spell, if it targets a creature you control with the chosen name, you may copy that spell and may choose new targets for the copy.

(Start the game with this conspiracy face up in the command zone.)

Before drawing your opening hand, choose 1, 2, or 3.

You may spend mana as though it were mana of any color to cast creature spells with mana value equal to the chosen number.

Look at the top three cards of your library. Put one of them into your hand, put one of them on the bottom of your library, and exile one of them. You may play the exiled card this turn.

Flip Falling Star onto the playing area from a height of at least one foot. Falling Star deals 3 damage to each creature it lands on. Tap all creatures dealt damage by Falling Star. If Falling Star doesn't turn completely over at least once during the flip, it has no effect.

You may play any number of lands on each of your turns.

Whenever you play a land, if it wasn't the first land you played this turn, Fastbond deals 1 damage to you.

You may put a creature card from your hand onto the battlefield. If you do, sacrifice it unless you pay its mana cost reduced by up to {2}.

Draw two cards, then discard two cards. Untap up to three lands.

({U/P} can be paid with either {U} or 2 life.)

Look at target player's hand.

Draw a card.

When Goblin Recruiter enters the battlefield, search your library for any number of Goblin cards, reveal them, then shuffle and put those cards on top in any order.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.

Draw two cards.

{G}, {T}: Reveal cards from the top of your library until you reveal a basic land card. Put that card into your hand and all other cards revealed this way into your graveyard.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Whenever a creature you control with the chosen name deals combat damage to a player, you may pay {U}. If you do, draw a card.

(Start the game with this conspiracy face up in the command zone.)

At the beginning of your first upkeep, create a 1/2 white Soldier creature token with defender.

At the beginning of each other player's first upkeep, that player creates a 1/1 red Goblin creature token with "This creature can't block."

(Start the game with this conspiracy face up in the command zone.)

The first creature spell you cast each turn costs {1} less to cast.

You can't cast instant or sorcery spells.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Creatures you control with the chosen name have haste.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Creatures you control with the chosen name have "{R}: This creature gets +1/+0 until end of turn."

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Whenever you cast an instant or sorcery spell with the chosen name, you may draw a card.

Remove Jeweled Bird from your deck before playing if you're not playing for ante.

{T}: Ante Jeweled Bird. If you do, put all other cards you own from the ante into your graveyard, then draw a card.

{T}: Add {C}.

{T}: Draw a card. Activate only if you have exactly seven cards in hand.

Companion -- Each permanent card in your starting deck has mana value 2 or less. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

Lifelink

Once during each of your turns, you may cast a permanent spell with mana value 2 or less from your graveyard.

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

{T}: Add {C}{C}.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Mana Vault doesn't untap during your untap step.

At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.

At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.

{T}: Add {C}{C}{C}.

{T}, Sacrifice Memory Jar: Each player exiles all cards from their hand face down and draws seven cards. At the beginning of the next end step, each player discards their hand and returns to their hand each card they exiled this way.

({U/P} can be paid with either {U} or 2 life.)

Counter target spell with mana value 1.

Target player discards X cards at random.

{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.

{T}: Add {G}.

{T}: Add {B}.

{T}: Add {W}.

{T}: Add {R}.

{T}: Add {U}.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Each creature you control with the chosen name enters the battlefield with an additional +1/+1 counter on it.

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Creatures you control with the chosen name have "At the beginning of combat on your turn, you may pay {G}. If you do, put a +1/+1 counter on this creature."

Skip your draw step.

Whenever you discard a card, exile that card from your graveyard.

Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

At the beginning of each player's upkeep, that player chooses target player who controls more creatures than they do and is their opponent. The first player may reveal cards from the top of their library until they reveal a creature card. If the first player does, that player puts that card onto the battlefield and all other cards revealed this way into their graveyard.

+2: Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

+1: Target artifact or creature loses all abilities and becomes a green Elk creature with base power and toughness 3/3.

-5: Exchange control of target artifact or creature you control and target creature an opponent controls with power 3 or less.

(Start the game with this conspiracy face up in the command zone.)

You are the starting player. If multiple players would be the starting player, one of those players is chosen at random.

Whenever Ragavan, Nimble Pilferer deals combat damage to a player, create a Treasure token and exile the top card of that player's library. Until end of turn, you may cast that card.

Dash {1}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

Remove Rebirth from your deck before playing if you're not playing for ante.

Each player may ante the top card of their library. If a player does, that player's life total becomes 20.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Whenever a creature with the chosen name enters the battlefield under your control, you may search your library for any number of cards with that name, reveal them, put them into your hand, then shuffle.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Creatures you control with the chosen name have "{T}: Add one mana of any color."

{1}: Look at the top three cards of your library, then put them back in any order.

{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

(Start the game with this conspiracy face up in the command zone.)

At the beginning of the first upkeep, create a 1/1 colorless Construct artifact creature token with defender.

Players play a Magic subgame, using their libraries as their decks. Each player who doesn't win the subgame loses half their life, rounded up.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

{T}: Add {C}{C}.

(Start the game with this conspiracy face up in the command zone.)

Your starting deck can't have basic land cards and your starting hand size is five.

Exile a card from your hand: This turn, you may play basic lands from outside the game.

Basic lands you control have "{T}: Add one mana of any color."

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

Double agenda (Start the game with this conspiracy face down in the command zone and secretly choose two different card names. You may turn this conspiracy face up any time and reveal those names.)

Whenever you cast a creature spell with one of the chosen names, you may search your library for a creature card with the other chosen name, reveal it, put it into your hand, then shuffle.

{G}, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

Remove Tempest Efreet from your deck before playing if you're not playing for ante.

{T}, Sacrifice Tempest Efreet: Target opponent may pay 10 life. If that player doesn't, they reveal a card at random from their hand. Exchange ownership of the revealed card and Tempest Efreet. Put the revealed card into your hand and Tempest Efreet from anywhere into that player's graveyard. This change in ownership is permanent.

Time Vault enters the battlefield tapped.

Time Vault doesn't untap during your untap step.

If you would begin your turn while Time Vault is tapped, you may skip that turn instead. If you do, untap Time Vault.

{T}: Take an extra turn after this one.

Take an extra turn after this one.

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Remove Timmerian Fiends from your deck before playing if you're not playing for ante.

{B}{B}{B}, Sacrifice Timmerian Fiends: The owner of target artifact may ante the top card of their library. If that player doesn't, exchange ownership of that artifact and Timmerian Fiends. Put the artifact card into your graveyard and Timmerian Fiends from anywhere into that player's graveyard. This change in ownership is permanent.

As an additional cost to cast this spell, sacrifice an artifact.

Search your library for an artifact card, put that card onto the battlefield, then shuffle.

{T}: Add {U} for each artifact you control.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Draw three cards.

Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.)

At the beginning of the end step, sacrifice Underworld Breach.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

You may spend mana as though it were mana of any color to cast spells with the chosen name.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

(Start the game with this conspiracy face up in the command zone.)

Each creature you control assigns combat damage equal to its toughness rather than its power.

Each player discards their hand, then draws seven cards.

When White Plume Adventurer enters the battlefield, you take the initiative.

At the beginning of each opponent's upkeep, untap a creature you control. If you've completed a dungeon, untap all creatures you control instead.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

(Start the game with this conspiracy face up in the command zone.)

As long as every card in your card pool started the game in your library or in the command zone, lands you control have "{T}: Add one mana of any color."

+1: Return up to one target land card from your graveyard to your hand.

-1: Wrenn and Six deals 1 damage to any target.

-7: You get an emblem with "Instant and sorcery cards in your graveyard have retrace." (You may cast instant and sorcery cards from your graveyard by discarding a land card in addition to paying their other costs.)

Skip your draw step.

Pay 1 life: Draw a card.

Until end of turn, you may play lands and cast spells from your graveyard.

If a card would be put into your graveyard from anywhere this turn, exile that card instead.

Companion -- Each permanent card in your starting deck has an activated ability. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.)

Abilities you activate that aren't mana abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

{1}, {T}: Target creature can't block this turn.